All Systems Operational

Uptime over the past 90 days. View historical uptime.
Klaviyo App Operational
90 days ago
99.95 % uptime
Today
Klaviyo App Operational
90 days ago
99.95 % uptime
Today
Klaviyo Support Operational
Klaviyo API Operational
90 days ago
99.95 % uptime
Today
Email Sending Operational
90 days ago
99.95 % uptime
Today
Campaign Email Sending Operational
90 days ago
99.95 % uptime
Today
Flow Email Sending Operational
90 days ago
99.95 % uptime
Today
Email Deliverability Operational
Email Content Operational
SMS Sending Operational
90 days ago
99.95 % uptime
Today
SMS Sending - Toll Free Number SMS Operational
90 days ago
99.95 % uptime
Today
SMS Sending - Toll Free Number MMS Operational
90 days ago
99.95 % uptime
Today
SMS Sending - Short Code SMS Operational
90 days ago
99.95 % uptime
Today
SMS Sending - Short Code MMS Operational
90 days ago
99.95 % uptime
Today
SMS Sending - Other Operational
SMS Deliverability Operational
SMS Content Operational
SMS Number Provisioning Operational
Mobile Push Sending Operational
90 days ago
99.95 % uptime
Today
Integrations Operational
90 days ago
99.95 % uptime
Today
Integrations - Shopify Operational
90 days ago
99.95 % uptime
Today
Integrations - WooCommerce Operational
90 days ago
99.95 % uptime
Today
Integrations - BigCommerce Operational
90 days ago
99.95 % uptime
Today
Integrations - Magento Operational
90 days ago
99.95 % uptime
Today
Integrations - Magento 2 Operational
90 days ago
99.95 % uptime
Today
Integrations - Other Operational
Analytics Operational
90 days ago
99.95 % uptime
Today
Segmentation Operational
90 days ago
99.95 % uptime
Today
Reviews Operational
90 days ago
99.95 % uptime
Today
Flow Triggering Operational
List Subscription Operational
Signup Forms Operational
Unsubscribe & Preference Pages Operational
Klaviyo.com Operational
Klaviyo Help Center Operational
Klaviyo Developers Operational
Profiles ? Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Oct 25, 2025

No incidents reported today.

Oct 24, 2025

No incidents reported.

Oct 23, 2025
Template Tag redirecting issue
Resolved - Between 3:46pm EST and 7:29pm EST on 23rd Oct 2025, customers may have noticed an issue causing web view & unsubscribe tags to redirect to incorrect Template previews or broken pages. This may have affected some customers' ability to view or test templates as expected.

The Engineering team has identified the cause and implemented the fix. We are seeing links redirect as expected.
Oct 23, 20:23 EDT
Oct 22, 2025

No incidents reported.

Oct 21, 2025
Widespread Access Outage
Resolved - All services have been restored and are operating normally. Monitoring is complete, and this incident has been resolved. We appreciate your patience throughout this incident.
Oct 21, 13:06 EDT
Update - As of 7:32pm EST, we have successfully processed the delayed unsubscribe events and conversion attribution analytics has been restored. We continue to monitor service functionality as repairs have been completed.
Oct 20, 20:31 EDT
Update - Flow sending is fully caught up and restored to real-time.

We continue to process delayed conversion attribution analytics and delayed profile unsubscribes.
Oct 20, 16:45 EDT
Monitoring - Segmentation processing has been restored to real-time. Segments relying on custom object properties remain delayed and we're continuing to restore normal processing for these.

We expect flow sending to be fully caught up within the next hour.

We continue to process delayed conversion attribution analytics and delayed profile unsubscribes.
Oct 20, 16:21 EDT
Identified - A mitigation has been deployed for the issue impacting flow sending. Any delayed messages are now being replayed and flow performance is improving. We will confirm once this has been fully restored.

The team continues to work through the segmentation processing delays.

We continue to monitor closely and appreciate your patience throughout this incident.
Oct 20, 14:55 EDT
Update - We are currently experiencing delays in segmentation processing for a subset of users by up to 2.5 hours. We’re working to mitigate these processing delays as quickly as possible.
Oct 20, 13:37 EDT
Investigating - We are currently investigating an issue impacting flow sending beginning around 12:00 PM US/Eastern. We’ll provide updates as soon as more information is available.
Oct 20, 12:46 EDT
Update - Segmentation processing has been restored.

We continue to work through processing for the delayed analytics and unsubscribes.
Oct 20, 11:26 EDT
Update - We continue to process delayed conversion attribution analytics and delayed profile unsubscribes.

We are currently experiencing delays in segmentation processing for a subset of users by up to 60 minutes. We’re working to mitigate these processing delays as quickly as possible.
Oct 20, 11:09 EDT
Update - As of 8:30am EST, we have successfully sent the delayed campaign and flow messages. Over the next several hours, we will process delayed conversion attribution analytics and delayed profile unsubscribes. We continue to closely monitor our systems.
Oct 20, 08:39 EDT
Update - As of 6:15am EST, we are continuing to stabilize our systems and process any actions that were affected by the provider outage, which lasted from approximately 2:50 to 5:30am EST.
We are attempting to send any campaigns and flows messages that couldn't be sent during that time. We are also processing events and profile information received during that time. Data from API requests that received an error during the incident were lost.
We will continue to share updates as we make progress.
Oct 20, 06:41 EDT
Monitoring - As of 5:30am EST, the ability to log in and access the Klaviyo app has been restored. Restoration of all functionality and services is in progress. We are actively investigating the state of sending (campaigns, flows).
We will continue to monitor services as functionality is repaired and will share updates as we make progress.
Oct 20, 05:58 EDT
Investigating - Starting around 2:50am EST, due to outages with an upstream provider, several services in Klaviyo including log-in and sending are inaccessible. We'll provide updates as soon as more information is available.
Oct 20, 04:58 EDT
Oct 20, 2025
Oct 19, 2025

No incidents reported.

Oct 18, 2025

No incidents reported.

Oct 17, 2025

No incidents reported.

Oct 16, 2025

No incidents reported.

Oct 15, 2025

No incidents reported.

Oct 14, 2025

No incidents reported.

Oct 13, 2025

No incidents reported.

Oct 12, 2025

No incidents reported.

Oct 11, 2025

No incidents reported.

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